The number of lines which are equally inclined to the coordinate axes is

The number of lines which are equally inclined to the axes is :

The number of lines which are equally inclined to the axes is :

The number of straight lines which are equally inclined to both the axes is

The d.c.'s of a line which is equally inclined to the coordinate axes are

What is the number of line which are equally inclined to the axes?

What are the direction cosines of a line which is equally inclined to the coordinate axes OX, OY and OZ ?

The vector of magnitude 6 which is equally inclined to the co-ordinate axes is

The vector of magnitude 6 which is equally inclined to the co-ordinate axes is

Find the vector of magnitude 9 which is equally inclined to the coordinates axes.